A decentralized crypto exchange (DEX) is a peer-to-peer trading platform that enables users to buy, sell, or swap cryptocurrencies without relying on a central authority. Operating through smart contracts on blockchain networks like Ethereum or Binance Smart Chain, DEXs prioritize user privacy, security, and control of funds. Unlike centralized platforms, users retain custody of their assets, reducing the risk of hacks or platform failures. Transactions occur directly between users’ wallets, eliminating intermediaries and lowering fees. DEXs support various DeFi features like liquidity pools, yield farming, and token swaps. Popular for their transparency and censorship resistance, decentralized exchanges are key to the Web3 ecosystem, empowering users with a trustless and autonomous trading environment.